My daughter has allergic reactions to cucumbers. My other daughter thought she would “call her on that BS”. She rubbed her sister’s drinking glass with cucumbers.
By the end of dinner daughter #1 looked like she got punched in the lip.
Weird allergies are out there. I don’t know where they come from...but they are real.
(Yes, my younger daughter was punished pretty severely for her actions.)
There's also this.....
What is MCAD (Mast Cell Activation Disease)
http://ohtwist.com/what-is-mcad
The immune system is complex beyond anything we can imagine and it is surprising how easily and fast it can malfunction.